18858697

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 23535680

約数和(自身を除く): 4676983

約数列:

[1, 11, 13, 19, 121, 143, 209, 247, 631, 1573, 2299, 2717, 6941, 8203, 11989, 29887, 76351, 90233, 131879, 155857, 992563, 1450669, 1714427, 18858697]

約数ペア:

[(1, 18858697), (11, 1714427), (13, 1450669), (19, 992563), (121, 155857), (143, 131879), (209, 90233), (247, 76351), (631, 29887), (1573, 11989), (2299, 8203), (2717, 6941)]